Siemens | HE3B150L | Circuit Breaker | 150A | 3-Pole | 480V

Meet the Siemens HE3B150L circuit breaker—a purpose-built solution for demanding three‑phase power systems. With a 150A rating, 3 poles, and a 480V operating envelope, this unit is engineered to deliver reliable protection for industrial panels, equipment, and critical motor loads. Built to align with Siemens’ precise specifications, the HE3B150L is the trusted choice for maintenance, retrofit, and replacement projects where exact compatibility matters.

The HE3B150L safeguards your electrical infrastructure by providing swift disconnection during overcurrent events, helping to prevent equipment damage and unexpected downtime. Its three‑pole design ensures balanced protection across all phases, supporting stable operation in 480V distribution environments where efficiency and safety are paramount.

Core details at a glance

• Amperage: 150A
• Poles: 3‑Pole
• Voltage: 480V
• Reference compatibility: Part number HE3B150L for precise fit and compatibility

Who benefits most

• Maintenance technicians and reliability engineers performing panel tune-ups or component replacements
• Facilities managers overseeing industrial processes that rely on robust, three‑phase protection
• Electrical contractors conducting retrofit projects in Siemens‑compatible installations

Use cases and practical scenarios

• Replacing a failed or worn-out 150A three‑phase breaker in existing Siemens panels
• Retrofit projects that require matching 3‑pole, 480V protection to support upgraded equipment or expanded load
• Deep maintenance cycles where exact part numbers (HE3B150L) ensure seamless compatibility with current infrastructure

Important compatibility note: Confirm fit and ratings before ordering. The part number HE3B150L is the most reliable reference to ensure seamless integration with your panel and system requirements.

Designed for serious industrial use, the Siemens HE3B150L combines precise electrical protection with straightforward installation considerations, helping you protect valuable assets and keep operations running smoothly. If your system operates at 480V and requires dependable 150A, 3‑pole protection, this circuit breaker offers a precise, compatible option built to withstand the demands of modern power distribution.